Plot maps or composites of variables from the 20th Century Reanalysis(V2) dataset.
Data is available from Jan 1871 to 2012

Variables

Analysis level?

Enter Year, Month and Day and Hour(0,6,12,18z) for composites For example, 1999 1 1 18
(Don't type in the z).
To subtract one set of days from
another, use a minus sign (-) before the years of the days that are to be subtracted. Default is last available date for variable.